Marin Mersenne 2^P-1
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MnStatusDetails
14006803Factored
FactorDigitsBitsDate
148306791761325374331487932683.62020-05-18 03:41:34
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2004-06-12Chris Halsall98C6A3EB1FA9021F1258936
Verified (Factored)2005-08-01Graeme Pope98C6A3EB1FA9021F11368198
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-12-05LordJuliusDD0550439251E49411295404353
History
DateUserTypeResult
2023-10-11nordiNF-PM1
B1=300000, B2=315888300
2022-12-05Simon JosefssonCERT
PRP Certification
Proof certified good
2022-12-05LordJuliusC-PRP
M14006803/14830679176132537433148793 : DD0550439251E494
PRP proof power = 8
PRP: Verified
Proof certified good
2022-10-04nordiNF-PM1
B1=300000
2020-05-18masserF-ECM
Factor: 14830679176132537433148793 / (ECM curve 1, B1=50000, B2=5000000)
2020-04-27masserNF
no factor from 2^70 to 2^71
2018-09-10mikrNF
no factor from 2^69 to 2^70
2018-02-09ramgeisNF
no factor from 2^68 to 2^69
2018-02-09ramgeisNF
no factor from 2^67 to 2^68
2015-08-18ThaNF
no factor from 2^66 to 2^67
2014-07-22NesowaNF
no factor from 2^65 to 2^66